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22 points

Would it have been possible for the speakers of the time to emit those frequencies? Imagining the equivalent of a Twitch raid: “I’m done broadcasting so I’m going to send you to the next channel.”

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6 points

Possibly. Still nott as bad as, “Alexa, order a 12pack of dildos”

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2 points

We had a TV that used ultrasonic sound to control the TV, When I was young I could fairly hear the tone from a couple of the buttons, though super faintly, but the dog would cock its head when certain buttons were used.

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2 points

It would have been possible, but it would have been expensive and required electricity to work. The fact that they accomplished their goal with what amounts to a set of tiny spring-powered mechanical bells is a marvel.

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2 points

I meant it more in the sense of one channel, when shutting down for the night, emitting the “next channel” tone such that every viewer’s set would change to a channel that was still broadcasting.

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1 point

Not really sure, doesn’t seem like they’d bother to deaign speakers that make sounds we can’t hear or broadcast them but that doesn’t mean it wasn’t possible

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